package uuuu;

public class Teacher extends b {
String lesson;
public Teacher(int id, String name, String sex, String lesson){
    super(id,name,sex);
    this.lesson=lesson;
  //  super.isaa();
}
public String toString(){
    return"编号：" + id+"   姓名："+name +"   性别："+sex+lesson;
}
}
